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Merge pull request #4978 from NixOS/scp-uris 

Allow scp-style uris in `fetchgit`
This commit is contained in:
Eelco Dolstra 2021-07-05 14:07:04 +02:00 committed by GitHub
parent f1ecd30bd5 ec2c6bd470
commit 1f93084149
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1 changed files with 15 additions and 5 deletions
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20
src/libexpr/primops/fetchTree.cc
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@ -7,6 +7,7 @@
#include <ctime>
#include <iomanip>
#include <regex>
namespace nix {
@ -60,10 +61,19 @@ void emitTreeAttrs(
v.attrs->sort();
}
std::string fixURI(std::string uri, EvalState &state)
std::string fixURI(std::string uri, EvalState &state, const std::string & defaultScheme = "file")
{
state.checkURI(uri);
return uri.find("://") != std::string::npos ? uri : "file://" + uri;
return uri.find("://") != std::string::npos ? uri : defaultScheme + "://" + uri;
}
std::string fixURIForGit(std::string uri, EvalState & state)
{
static std::regex scp_uri("([^/].*)@(.*):(.*)");
if (uri[0] != '/' && std::regex_match(uri, scp_uri))
return fixURI(std::regex_replace(uri, scp_uri, "$1@$2/$3"), state, "ssh");
else
return fixURI(uri, state);
}
void addURI(EvalState &state, fetchers::Attrs &attrs, Symbol name, std::string v)
@ -121,15 +131,15 @@ static void fetchTree(
input = fetchers::Input::fromAttrs(std::move(attrs));
} else {
auto url = fixURI(state.coerceToString(pos, *args[0], context, false, false), state);
auto url = state.coerceToString(pos, *args[0], context, false, false);
if (type == "git") {
fetchers::Attrs attrs;
attrs.emplace("type", "git");
attrs.emplace("url", url);
attrs.emplace("url", fixURIForGit(url, state));
input = fetchers::Input::fromAttrs(std::move(attrs));
} else {
input = fetchers::Input::fromURL(url);
input = fetchers::Input::fromURL(fixURI(url, state));
}
}